HELP ,I’M NEW TO THIS SCALE, SO ON PAGE 92 OF THE LIONEL FAST TRACK BOOK, THERE IS A DOUBLE TRACK MAIN LAYOUT WITH 072 OUTSIDE CURVES AND 060 INSIDE CURVES WITH 072 TURNOUTS. CAN I USE 060 TURNOUTS INSTEAD OF 072 AND DOES ANYBODY KNOW WHAT CHANGES I WOULD HAVE TO MAKE,— THANKS,GREATLY APPRECIATED- --MARK